[1][2][3] On August 2, 2007, WTMJ-AM in Milwaukee reported that Michael Cudahy was one of several private investors considering purchasing Midwest Airlines.
[citation needed] This company created the nation's first central electrocardiographic system at Northwestern University Medical School.
[5] The company exists today as part of the Clinical Systems division of GE Healthcare, a subsidiary of the American conglomerate.
In 1999, according to U.S. Securities and Exchange Commission (SEC) filings, he invested $10 million in TomoTherapy a Madison, Wisconsin, biotechnology start-up.
[citation needed] He told the story of the founding of Marquette Electronics in the book Joyworks (2002; ISBN 0-938076-17-5).